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Finding the Fourth Proportional to 133,619,640.80, 187,322,588.80 and 133,619,640.80

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Solution

The fourth proportional to 133,619,640.80, 187,322,588.80 and 133,619,640.80 is: 187,322,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619,640.80 : 187,322,588.80 = 133,619,640.80 : x
  2. Step 2: Convert to fraction form
    133,619,640.80/187,322,588.80 = 133,619,640.80/x
  3. Step 3: Cross multiply
    133,619,640.80x = 187,322,588.80 × 133,619,640.80
  4. Step 4: Simplify right side
    133,619,640.80x = 25,029,977,029,182,104
  5. Step 5: Solve for x
    x = 25,029,977,029,182,104/133,619,640.80
  6. Step 6: Final answer
    x = 187,322,588.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.